In the thrilling conclusion to the "deftly and originally executed" (Booklist) New York Times bestselling trilogy, Vaelin Al Sorna must help his Queen reclaim her Realm. Only his enemy has a dangerous new collaborator, one with powers darker than Vaelin has ever encountered...

"The Ally is there, but only ever as a shadow, unexplained catastrophe or murder committed at the behest of a dark vengeful spirit. Sorting truth from myth is often a fruitless task."

After fighting back from the brink of death, Queen Lyrna is determined to repel the invading Volarian army and regain the independence of the Unified Realm. Except, to accomplish her goals, she must do more than rally her loyal supporters. She must align herself with forces she once found repugnant—those who possess the strange and varied gifts of the Dark—and take the war to her enemy's doorstep.

Victory rests on the shoulders of Vaelin Al Sorna, now named Battle Lord of the...